Adjustments
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18 / 32
GB
5.1.1
Adjusting the gripping range (NW) for rectangular manholes
Ex.: NW
1200 mm
When adjusting
rectangular manholes
, the marking notch (
) must be in line with the
rectangle symbol (
), see Fig. 2.
In the NW control box (on the movable suspension) the same nominal width number
(here example NW 1200) must be visible, see Fig. 3.
Fig. 2
Fig. 3
5.1.2
Adjusting the gripping range (NW) for manhole rings
Ex.: NW Ø 1200 mm
When adjusting
manhole rings
, the marking notch (
) must be in line with the nominal
diameter number (here example NW 1,200l (
), see Fig. 4
In the NW control box (on the movable suspension) the same nominal width number
(here example NW 1200) must be visible, see Fig. 5
Fig. 4
Fig. 5
